This video lecture from Matrices and Determinants (F.Sc. second year Mathematics) covers: Question numbers 1-5 of exercise 3.1. In these questions we find inverse of 2×2 matrices, solution of system of linear equations, addition and subtraction of matrices. Find more e-learning material and educational video lectures in Urdu at maktab.pk. These videos are free to use for promotional and commercial purpose by keeping the credits to Maktab.